Earnings Per Share (Details Textual) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Earnings Per Share [Abstract]
Antidilutive securities excluded from computation of earnings per share, amount	3,123	3,744	3,025	3,416